Home / 3,000.85-4,499.14-1,150.40

Finding the Fourth Proportional to 3,000.85, 4,499.14 and 1,150.40

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Solution

The fourth proportional to 3,000.85, 4,499.14 and 1,150.40 is: 1,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.85 : 4,499.14 = 1,150.40 : x
  2. Step 2: Convert to fraction form
    3,000.85/4,499.14 = 1,150.40/x
  3. Step 3: Cross multiply
    3,000.85x = 4,499.14 × 1,150.40
  4. Step 4: Simplify right side
    3,000.85x = 5,175,810.66
  5. Step 5: Solve for x
    x = 5,175,810.66/3,000.85
  6. Step 6: Final answer
    x = 1,724.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.